▎ 摘　　要

NOVELTY - The utility model claims a graphene membrane filtering method of oil-water separation kettle, belonging to the petroleum industry field, the technical solution is that it comprises two kettle set in parallel, two kettle are provided with a top cover, the top cover is provided with a through hole, and the through hole is connected with the upper pipe, two kettle lower part through U-shaped tube; the bottom pipe comprises a horizontal pipe, and two ends of the horizontal pipe of the vertical pipe, the vertical pipe is connected with the horizontal pipe set graphene filtering film. The beneficial effects of this utility model are: this device can conveniently change the separation of the filter membrane in the kettle, replacing process is simple and easy.